From 88b94d10beb26d80fd193ad2ce984ffbfa3d2490 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Malte=20M=C3=BCnch?= <mamu@stablerock.de>
Date: Fri, 31 Jan 2020 15:20:40 +0100
Subject: [PATCH] added Mutex for Mapaccess

---
 httppoll.go | 18 ++++++++++++------
 setup.go    |  2 ++
 2 files changed, 14 insertions(+), 6 deletions(-)

diff --git a/httppoll.go b/httppoll.go
index 51ce254..787d8f3 100644
--- a/httppoll.go
+++ b/httppoll.go
@@ -18,9 +18,9 @@ func Poll(url string) {
 			data, err := ioutil.ReadAll(resp.Body)
 			if err != nil {
 				ErrorinPoll(url)
-				resp.Body.Close()
+				_ = resp.Body.Close()
 			} else {
-				resp.Body.Close()
+				_ = resp.Body.Close()
 
 				var parsed V13
 				err = json.Unmarshal(data, &parsed)
@@ -30,12 +30,12 @@ func Poll(url string) {
 					if parsed.State.Open != nil {
 						open := parsed.State.Open.(bool)
 						if open {
-							spacestates[url] = Open
+							SetSpaceState(url, Open)
 						} else {
-							spacestates[url] = Close
+							SetSpaceState(url, Close)
 						}
 					} else {
-						spacestates[url] = Unknown
+						SetSpaceState(url, Unknown)
 					}
 
 				}
@@ -47,6 +47,12 @@ func Poll(url string) {
 
 func ErrorinPoll(url string) {
 	if spacestates[url] != Unknown {
-		spacestates[url] = Outdated
+		SetSpaceState(url, Outdated)
 	}
 }
+
+func SetSpaceState(url string, s State) {
+	lock.Lock()
+	spacestates[url] = s
+	lock.Unlock()
+}
diff --git a/setup.go b/setup.go
index c1ce58a..809036f 100644
--- a/setup.go
+++ b/setup.go
@@ -6,6 +6,7 @@ import (
 	yaml "gopkg.in/yaml.v2"
 	io "io/ioutil"
 	"net/http"
+	"sync"
 	"time"
 )
 
@@ -14,6 +15,7 @@ var conffile = "conf.yml"
 var sleeptime time.Duration = 60000000000 // nanoseconds
 var leds [][]string
 var spacestates map[string]State
+var lock = sync.RWMutex{}
 
 func SetConf(s string) {
 	conffile = s